package com.zdb.java.collection;

import org.junit.Test;

import java.util.BitSet;

public class BitSetTest {

    @Test
    public void test1() {
        BitSet bitSet = new BitSet();
        bitSet.set(1000000005);
        System.out.println(bitSet.get(1000000005));

        System.out.println("---" + Integer.toBinaryString(1 << 20));
    }
}
